作者：Weyl, E. Glen
作者单位：Microsoft
摘要：I appreciate the clarification of my work by Tan and Wright; regret the confusing way my equations were labeled, and intended them to be interpreted in the manner they suggest is correct.
作者：Tan, Hongru; Wright, Julian
作者单位：Sichuan University; National University of Singapore
摘要：Weyl (2010) shows that in multi-sided platform settings, profit maximization leads to classical and Spence distortions, with the Spence distortion providing a new explanation for why prices may sometimes he too high. (or too low) on platforms. However, the key formulas that Weyl gives comparing privately and socially optimal prices are misstated. Properly interpreted, his results only explain marginal incentives with respect to setting prices but not the total distortion in prices, which can b...
